Initial tests for ReaderModeManager

chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java b/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java
index e00460f7d23dc8e50a67e8f5bb12e53d62f3a422..1015bad2e67a1461ad06d20e9c4e4d1848ef3bdf 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeManager.java
@@ -71,7 +71,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver
     private int mTabId;
 
     // The ReaderModePanel that this class is managing.
-    private ReaderModePanel mReaderModePanel;
+    protected ReaderModePanel mReaderModePanel;
 
     // The ChromeActivity that this panel exists in.
     private ChromeActivity mChromeActivity;
@@ -289,7 +289,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver
         return tab.getWebContents();
     }
 
-    private WebContentsObserver createWebContentsObserver(WebContents webContents) {
+    protected WebContentsObserver createWebContentsObserver(WebContents webContents) {
         final int readerTabId = mTabModelSelector.getCurrentTabId();
         if (readerTabId == Tab.INVALID_TAB_ID) return null;
 
@@ -339,7 +339,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver
      * showing.
      * @param reason The reason the panel is requesting to be shown.
      */
-    private void requestReaderPanelShow(StateChangeReason reason) {
+    protected void requestReaderPanelShow(StateChangeReason reason) {
         int currentTabId = mTabModelSelector.getCurrentTabId();
         if (currentTabId == Tab.INVALID_TAB_ID) return;
 
@@ -359,7 +359,7 @@ public class ReaderModeManager extends TabModelSelectorTabObserver
      * @param reason The reason the panel is closing.
      * @param animate True if the panel should animate closed.
      */
-    private void closeReaderPanel(StateChangeReason reason, boolean animate) {
+    protected void closeReaderPanel(StateChangeReason reason, boolean animate) {
         if (mReaderModePanel == null) return;
         mReaderModePanel.closePanel(reason, animate);
     }